135545334168 has 32 divisors (see below), whose sum is σ = 342030288960. Its totient is φ = 44759517600.

The previous prime is 135545334149. The next prime is 135545334173. The reversal of 135545334168 is 861433545531.

It is a happy number.

It is a super-2 number, since 2×135545334168² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26388658 + ... + 26393793.

It is an arithmetic number, because the mean of its divisors is an integer number (10688446530).

Almost surely, 2^135545334168 is an apocalyptic number.

It is an amenable number.

135545334168 is an abundant number, since it is smaller than the sum of its proper divisors (206484954792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135545334168 is a wasteful number, since it uses less digits than its factorization.

135545334168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52782567 (or 52782563 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

Adding to 135545334168 its reverse (861433545531), we get a palindrome (996978879699).

The spelling of 135545334168 in words is "one hundred thirty-five billion, five hundred forty-five million, three hundred thirty-four thousand, one hundred sixty-eight".